fn main() {
    var list = [1, 1, 2, 3, 5, 8, 13, 21, 34]
    int foo = 0
    int bar = 0
    for k,v in list {
        foo += k
        bar += v
    }
    println(foo)
    println(bar)

    var mapof = {'a': 1, 'b': 2, 'c': 3}
    var sum = 0
    for k,v in mapof {
        sum += v
        println(k)
    }
    println(sum)
}
